Node.js

CSV Append New Row

Demonstrates how to append a new row to a CSV. Node.js

NODEJS_PRELUDE

function chilkatExample() {

    var success = false;

    //  We have the following CSV...

    //  permalink,company,numEmps,category,city,state,fundedDate,raisedAmt,raisedCurrency,round
    //  lifelock,LifeLock,,web,Tempe,AZ,1-May-07,6850000,USD,b
    //  mycityfaces,MyCityFaces,7,web,Scottsdale,AZ,1-Jan-08,50000,USD,seed
    //  flypaper,Flypaper,,web,Phoenix,AZ,1-Feb-08,3000000,USD,a
    //  infusionsoft,Infusionsoft,105,software,Gilbert,AZ,1-Oct-07,9000000,USD,a
    //  gauto,gAuto,4,web,Scottsdale,AZ,1-Jan-08,250000,USD,seed

    var bCrlf = true;
    var sb = new chilkat.StringBuilder();
    sb.AppendLine("permalink,company,numEmps,category,city,state,fundedDate,raisedAmt,raisedCurrency,round",bCrlf);
    sb.AppendLine("lifelock,LifeLock,,web,Tempe,AZ,1-May-07,6850000,USD,b",bCrlf);
    sb.AppendLine("mycityfaces,MyCityFaces,7,web,Scottsdale,AZ,1-Jan-08,50000,USD,seed",bCrlf);
    sb.AppendLine("flypaper,Flypaper,,web,Phoenix,AZ,1-Feb-08,3000000,USD,a",bCrlf);
    sb.AppendLine("infusionsoft,Infusionsoft,105,software,Gilbert,AZ,1-Oct-07,9000000,USD,a",bCrlf);
    sb.AppendLine("gauto,gAuto,4,web,Scottsdale,AZ,1-Jan-08,250000,USD,seed",bCrlf);

    var csv = new chilkat.Csv();

    csv.HasColumnNames = true;
    success = csv.LoadFromString(sb.GetAsString());

    //  Let's say we want to append the following row:
    //  yelp,Yelp,,web,San Francisco,CA,1-Jul-04,1000000,USD,a

    //  If we have the row as-is, we could do this:
    var csvTemp = new chilkat.Csv();
    success = csvTemp.LoadFromString("yelp,Yelp,,web,San Francisco,CA,1-Jul-04,1000000,USD,a");
    var numCols = csvTemp.NumColumns;
    var i = 0;
    var row = csv.NumRows;
    while (i < numCols) {
        csv.SetCell(row,i,csvTemp.GetCell(0,i));
        i = i+1;
    }

    //  Show the updated CSV:
    console.log(csv.SaveToString());

    //  Output should be:
    //  permalink,company,numEmps,category,city,state,fundedDate,raisedAmt,raisedCurrency,round
    //  lifelock,LifeLock,,web,Tempe,AZ,1-May-07,6850000,USD,b
    //  mycityfaces,MyCityFaces,7,web,Scottsdale,AZ,1-Jan-08,50000,USD,seed
    //  flypaper,Flypaper,,web,Phoenix,AZ,1-Feb-08,3000000,USD,a
    //  infusionsoft,Infusionsoft,105,software,Gilbert,AZ,1-Oct-07,9000000,USD,a
    //  gauto,gAuto,4,web,Scottsdale,AZ,1-Jan-08,250000,USD,seed
    //  yelp,Yelp,,web,San Francisco,CA,1-Jul-04,1000000,USD,a

}

chilkatExample();